☆ 4.7 Editorial Material

Special issue on the AMAP 2021 assessment of mercury in the Arctic

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Environmental Sciences

Temporal change and the influence of climate and weather factors on mercury concentrations in Hudson Bay polar bears, caribou, and seabird eggs

Adam D. Morris et al.

Summary: Temporal trends of mercury in Arctic wildlife are inconsistent and often insignificant. Weather and climate factors are related to mercury concentrations. This study compared time series of mercury concentrations in different species and found relationships with sea ice conditions, precipitation levels, and time-lagged Arctic and/or North Atlantic Oscillation indices.

ENVIRONMENTAL RESEARCH (2022)

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Article Environmental Sciences

Climate change and mercury in the Arctic: Abiotic interactions

John Chetelat et al.

Summary: This review summarizes the latest scientific research on how climate change affects the transport and biogeochemical cycling of mercury in Arctic terrestrial, freshwater, and marine ecosystems. The review emphasizes the profound shifts in climate and cryosphere in the Arctic and their connections to mercury cycling.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Environmental Sciences

What are the likely changes in mercury concentration in the Arctic atmosphere and ocean under future emissions scenarios?

Amina T. Schartup et al.

Summary: This study examines the response of Arctic Ocean mercury (Hg) concentrations to various factors and simulates future environmental changes. The findings suggest that anthropogenic Hg emissions and sea-ice cover changes have a significant impact on Hg concentrations in the Arctic Ocean, while river inputs contribute to increased concentrations. Moreover, the study highlights the importance of taking prompt and ambitious measures to reduce Hg concentrations in the Arctic region.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Review Environmental Sciences

The impact of mercury contamination on human health in the Arctic: A state of the science review

Niladri Basu et al.

Summary: The 2021 AMAP Mercury Assessment focuses on the human health impact of Hg pollution in the Arctic, particularly on Indigenous Peoples. The results show that global influences contribute to Hg exposures and their associated adverse health outcomes. The importance of country foods in the Arctic is emphasized, but concerns over dietary transitions and food security are raised. Risk communication needs to be culturally appropriate and targeted.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Environmental Sciences

Climate change and mercury in the Arctic: Biotic interactions

Melissa A. McKinney et al.

Summary: Global climate change has had a significant impact on the Arctic environment and ecosystems, affecting mercury (Hg) levels in Arctic biota. The marine environment has higher Hg levels compared to terrestrial environments, leading to changes in Hg concentrations in herbivores and predators in the Arctic region.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Review Environmental Sciences

A risk assessment review of mercury exposure in Arctic marine and terrestrial mammals

Rune Dietz et al.

Summary: This study assessed the risk of mercury exposure in Arctic mammal species and found that most populations have low health risks, but certain subpopulations are highly exposed and at risk. However, there are still knowledge gaps in the risk assessment of mercury exposure in Arctic mammals.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Environmental Sciences

Toxicological risk of mercury for fish and invertebrate prey in the Arctic

Benjamin D. Barst et al.

Summary: We assessed the risks of mercury exposure for Arctic fish and invertebrates. Most Arctic fish are not at risk for mercury toxicity, but a smaller number of fish may face moderate, high, or severe risks. Mercury concentrations in Arctic invertebrates are generally low and below levels associated with acute and sublethal effects. Further research is needed to directly evaluate the effects of mercury exposure in Arctic fish species.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Environmental Sciences

Updated trends for atmospheric mercury in the Arctic: 1995-2018

Katrina MacSween et al.

Summary: The concentration of atmospheric mercury in the Arctic has been decreasing over the past 20 years, although not uniformly. The lowest mercury concentrations were observed in the fall in the sub-Arctic region, while the highest concentrations were found in the spring in the high-Arctic region. The variability in trends across different sites may be influenced by local chemistry and environmental changes.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Environmental Sciences

Temporal trends of mercury in Arctic biota: 10 more years of progress in Arctic monitoring

Adam D. Morris et al.

Summary: Temporal trend analysis of total mercury concentrations in Arctic biota reveals increasing trends in marine mammals, particularly at easterly longitudes, and in seabirds in the Northeast Atlantic. Improved statistical power and extended time series contribute to this analysis, highlighting the importance of annual monitoring.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Environmental Sciences

Mercury contamination and potential health risks to Arctic seabirds and shorebirds

Olivier Chastel et al.

Summary: This review article investigates the contemporary mercury exposure and potential health risk to Arctic seabirds and shorebirds. It finds that some Arctic seabird populations have mercury concentrations exceeding toxicity benchmarks, while most seabirds and shorebirds have a lower risk to mercury toxicity. Recent studies have reported negative effects of mercury on hormone levels, genetic damage, and reproductive performance in some bird species. The findings highlight the importance of considering mercury exposure in conjunction with other stressors when assessing the impact on Arctic birds.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Environmental Sciences

Arctic atmospheric mercury: Sources and changes

Ashu Dastoor et al.

Summary: Global anthropogenic and legacy mercury emissions are the main sources of Arctic mercury contamination, transported to the Arctic primarily through the atmosphere. This review examines the global anthropogenic sources of mercury emissions and the recent changes in mercury transport and deposition to the Arctic using models. The study finds that meteorological changes and anthropogenic emissions have significant impacts on mercury deposition and air concentrations in the Arctic.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Environmental Sciences

Contributions and perspectives of Indigenous Peoples to the study of mercury in the Arctic

Magali Houde et al.

Summary: Arctic Indigenous Peoples have made significant contributions to mercury monitoring and research in the Arctic. This article highlights examples of their involvement and discusses approaches for future activities. Collaborative processes and sustainable funding are key to the success of research and monitoring in the Arctic.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Review Environmental Sciences

Arctic mercury cycling

Ashu Dastoor et al.

Summary: This article provides a comprehensive assessment of the present-day total mercury mass balance in the Arctic. The majority of mercury is transported to the Arctic via air and ocean transport, and the deposition mainly occurs in terrestrial ecosystems, particularly in soils. Rivers and coastal erosion transfer a significant amount of terrestrial mercury to the Arctic Ocean, in approximate balance with net terrestrial mercury deposition. The revised Arctic Ocean mercury mass balance suggests that the deposition to the ocean and mercury burial in inner-shelf sediments are underestimated, calling for the need for seasonal observations.

NATURE REVIEWS EARTH & ENVIRONMENT (2022)

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Article Environmental Sciences

A risk assessment of the effects of mercury on Baltic Sea, Greater North Sea and North Atlantic wildlife, fish and bivalves

Rune Dietz et al.

Summary: The study found that species in the Baltic Sea have shown significant improvements in terms of Hg exposure over the past few decades, although they still carry a legacy of high mercury levels. However, the estimated risk for Baltic populations is not considerably higher compared to the same species in adjacent waters.

ENVIRONMENT INTERNATIONAL (2021)

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Article Engineering, Environmental

Synthesis of Maternal Transfer of Mercury in Birds: Implications for Altered Toxicity Risk

Joshua T. Ackerman et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2020)

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Article Engineering, Environmental

Two Decades of Mercury Concentrations in Barents Sea Polar Bears (Ursus maritimus) in Relation to Dietary Carbon, Sulfur, and Nitrogen

Anna Lippold et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2020)

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Article Environmental Sciences

Mercury in Ringed Seals (Pusa hispida) from the Canadian Arctic in Relation to Time and Climate Parameters

Magali Houde et al.

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY (2020)

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Article Chemistry, Multidisciplinary

Mercury species export from the Arctic to the Atlantic Ocean

Mariia Petrova et al.

MARINE CHEMISTRY (2020)

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Article Engineering, Environmental

Drivers of Mercury Cycling in the Rapidly Changing Glacierized Watershed of the High Arctic's Largest Lake by Volume (Lake Hazen, Nunavut, Canada)

K. A. St. Pierre et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2019)

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Review Environmental Sciences

Screening-level risk assessment of methylmercury for non-anadromous Arctic char (Salvelinus alpinus)

Benjamin D. Barst et al.

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY (2019)

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Article Geosciences, Multidisciplinary

Permafrost Stores a Globally Significant Amount of Mercury

Paul F. Schuster et al.

GEOPHYSICAL RESEARCH LETTERS (2018)

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Article Multidisciplinary Sciences

Subsurface seawater methylmercury maximum explains biotic mercury concentrations in the Canadian Arctic

Kang Wang et al.

SCIENTIFIC REPORTS (2018)

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Review Environmental Sciences

A State-of-the-Science Review of Mercury Biomarkers in Human Populations Worldwide between 2000 and 2018

Niladri Basu et al.

ENVIRONMENTAL HEALTH PERSPECTIVES (2018)

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Article Environmental Sciences

How important is biomass burning in Canada to mercury contamination?

Annemarie Fraser et al.

ATMOSPHERIC CHEMISTRY AND PHYSICS (2018)

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Article Ecology

Mercury distribution and transport in the North Atlantic Ocean along the GEOTRACES-GA01 transect

Daniel Cossa et al.

BIOGEOSCIENCES (2018)

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Article Engineering, Environmental

Ecological Change Drives a Decline in Mercury Concentrations in Southern Beaufort Sea Polar Bears

Melissa A. McKinney et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2017)

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Article Multidisciplinary Sciences

Tundra uptake of atmospheric elemental mercury drives Arctic mercury pollution

Daniel Obrist et al.

NATURE (2017)

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Article Behavioral Sciences

Cognitive deficits at age 22 years associated with prenatal exposure to methylmercury

Frodi Debes et al.

CORTEX (2016)

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Article Multidisciplinary Sciences

Global prevalence and distribution of genes and microorganisms involved in mercury methylation

Mircea Podar et al.

SCIENCE ADVANCES (2015)

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Article Engineering, Environmental

Determination of Monomethylmercury and Dimethylmercury in the Arctic Marine Boundary Layer

Pascale A. Baya et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2015)

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Article Engineering, Environmental

Changes in Food Web Structure Alter Trends of Mercury Uptake at Two Seabird Colonies in the Canadian Arctic

Birgit M. Braune et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2014)

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Article Ecology

Toxicity of methylmercury injected into eggs of thick-billed murres and arctic terns

Birgit M. Braune et al.

ECOTOXICOLOGY (2012)

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Article Chemistry, Analytical

Spatial and temporal trends of selected trace elements in liver tissue from polar bears (Ursus maritimus) from Alaska, Canada and Greenland

Heli Routti et al.

JOURNAL OF ENVIRONMENTAL MONITORING (2011)

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Article Geosciences, Multidisciplinary

Methylation of inorganic mercury in polar marine waters

Igor Lehnherr et al.

NATURE GEOSCIENCE (2011)

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Article Environmental Sciences

Circumpolar pattern of mercury and cadmium in ringed seals

F Riget et al.

SCIENCE OF THE TOTAL ENVIRONMENT (2005)

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